arterial ligament


lig·a·men·tum ar·te·ri·o·'sum

[TA] fibrous remnant of the ductus arteriosus extending between the aortic arch and the pulmonary trunk. Synonym(s): arterial ligament, Botallo ligament

arterial ligament

A fibrous cord extending from the pulmonary artery to the arch of the aorta, the remains of the ductus arteriosus of the fetus.See also: ligament